AS210054 TNCG NCG Energy Ltd

TNCG NCG Energy Ltd · registered in the United Kingdom

IPv4 addresses7683 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#1,202largest network in GB by IPv4 space, of 2,074 · <0.01% of GB

Rank worldwide#42,462of 79,396 networks with IPv4

IPv616 x /32 (1,048,576 x /48)40 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS210054 in ASN lookup Look up an IP in this network (46.149.103.1) All networks in United Kingdom

IPv4 prefixes

All 3 prefixes, in address order.

46.149.103.0/24
185.110.61.0/24
185.171.200.0/24

IPv6 prefixes

All 40 prefixes.

2a10:3400::/34
2a10:3400:4000::/36
2a10:3400:5000::/48
2a10:3400:5001::/48
2a10:3400:5002::/47
2a10:3400:5004::/46
2a10:3400:5008::/45
2a10:3400:5010::/44
2a10:3400:5020::/43
2a10:3400:5040::/42
2a10:3400:5080::/41
2a10:3400:5100::/40
2a10:3400:5200::/39
2a10:3400:5400::/38
2a10:3400:5800::/37
2a10:3400:6000::/35
2a10:3400:8000::/33
2a10:3401::/32
2a10:3402::/31
2a10:3404::/30
2a10:44c0::/34
2a10:44c0:4000::/36
2a10:44c0:5000::/48
2a10:44c0:5001::/48
2a10:44c0:5002::/47
2a10:44c0:5004::/46
2a10:44c0:5008::/45
2a10:44c0:5010::/44
2a10:44c0:5020::/43
2a10:44c0:5040::/42
2a10:44c0:5080::/41
2a10:44c0:5100::/40
2a10:44c0:5200::/39
2a10:44c0:5400::/38
2a10:44c0:5800::/37
2a10:44c0:6000::/35
2a10:44c0:8000::/33
2a10:44c1::/32
2a10:44c2::/31
2a10:44c4::/30

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources